Abutment



FIG. 1 is a perspective view of an abutment for dental implant.

FIG. 2 is a front view thereof.

FIG. 3 is a back view thereof.

FIG. 4 is a left-side view thereof.

FIG. 5 is a right-side view thereof.

FIG. 6 is a top view thereof.

FIG. 7 is a bottom view thereof; and,

FIG. 8 is an end view along line 8-8 of FIG. 6. 

CLAIM The ornamental design for an abutment, as shown and described. 